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发明名称
MORTAR CEMENT FOR INSTANT TILE, PLASTER WORKING ANDBLOCK STACKING USING WASTE FOUNDRY SAND
摘要
申请公布号
KR1019940007264(B1)
申请公布日期
1994.08.12
申请号
KR1019910017514
申请日期
1991.10.07
申请人
发明人
分类号
主分类号
代理机构
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